CHECK AND TEST 1

Note


Step 1

Discharge refrigerant:
1) Use pliers to cut off charging tube.
2) Discharge all refrigerant toward the exhaust vent.

Step 2

Melt brazing material with flame and pull processing tube out with a pair of pliers.

Step 3

Re-braze a copper tube onto compressor processing tube.Please get more details of brazing requirements on Annex B1.

Note


Step 5

Install quick connector onto rebrazed pipe.

Step 6

Use pliers to cut the capillary off.

Step 7

Inject nitrogen (1.57Mpa) through quick connector into pipe.

Step 8

Check to see if gas is blowing out of capillary.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Clean paint off of brazed joint of drying filter.

Step 2

Cut off the brazed joint of drying filter.

Step 3

Cut off capillary and remove the cut end by shaking.


Step 4

Braze on a new drying- filter.

Step 5

Inject nitrogen (1.57Mpa) through quick connector into pipe for at least
3 min to blow remaining refrigerant away.

Step 6

Add quick connector onto processing pipe of drying-filter.

Step 7

Test for leaks on brazed joints of drying-filter and processing pipe
on compressor.

Step 8

Vacuum and recharge. Please get more details
of vacuuming and gas charging
requirements on Annex B2.

Step 9

Block processing pipe twice by locking pliers.

Step 10

Leave locked pliers attached to second block and shake to cut off the remaining pipe.

Step 11

Braze the ends and remove the pliers.

DIAGNOSIS 2